3/x+4/y=2

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Solution for 3/x+4/y=2 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

3/x+4/y = 2 // - 2

3/x+4/y-2 = 0

3*x^-1 = -(4*y^-1-2) // : 3

x^-1 = (2-(4*y^-1))/3

-1 < 0

1/(x^1) = (2-(4*y^-1))/3 // * x^1

1 = x^1*((2-(4*y^-1))/3) // : (2-(4*y^-1))/3

3*(2-4*y^-1)^-1 = x^1

x = 3*(2-4*y^-1)^-1

x = 3*(2-4*y^-1)^-1

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